package exception;

import com.sun.jdi.event.ExceptionEvent;

public class TryCatchDemo {
    public static void main(String[] args) {
        System.out.println("程序开始了");
        try {
            String line = "hello";
            System.out.println(line.length());
            System.out.println(line.charAt(3));
            System.out.println(Integer.parseInt(line));
            System.out.println("!!!!!!!!!!!!!!!!!!!!!");
        }/*catch(NullPointerException e){
            System.out.println("出现了空指针，并且处理完毕了");
        }catch(StringIndexOutOfBoundsException e){
            System.out.println("出现了字符串下标越界，并处理完毕了");
        }*/

        catch(NullPointerException | StringIndexOutOfBoundsException e){
            System.out.println("出现了空指针或字符串下标越界并处理完毕了");
        }catch(Exception e){
            System.out.println("出现了一个未知错误");
        }
        System.out.println("程序结束了");
    }
}
